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Try this out: http://www.corvettefever.com/howto/36458/index.html
You're going to need a rear spindle press to remove the old spindle. Mid America sells it for $199.99. You'll also need the wheel bearing set up tool (Mid America $79.99). Not a job for the faint at heart. Good luck!
This is an involved job that requires setting the endplay to .0015-.002". You will need a setup tool as well as some other tools. I always use a surface grinder to dial them in as well. If you do a search here you'll find a lot of info on the job. I posted a lot of pictures on the job in the past so you should be able to find them.